https://blog.wongcw.com/2020/04/03/%e4%ba%ac%e6%9d%b1%e6%96%b9%e9%96%8b%e7%99%bc4k-27%e5%af%b8hdr%e9%a1%af%e7%a4%ba%e5%99%a8%ef%bc%9a2048%e5%8d%80mini-led%e8%83%8c%e5%85%8910bit%e9%9d%a2%e6%9d%bf/